3698432 has 18 divisors (see below), whose sum is σ = 7382928. Its totient is φ = 1849088.

The previous prime is 3698419. The next prime is 3698441. The reversal of 3698432 is 2348963.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3698392 and 3698401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6968 + ... + 7479.

Almost surely, 2^3698432 is an apocalyptic number.

3698432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3698432 is a deficient number, since it is larger than the sum of its proper divisors (3684496).

3698432 is an equidigital number, since it uses as much as digits as its factorization.

3698432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463 (or 14449 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 3698432 is about 1923.1307807843. The cubic root of 3698432 is about 154.6461856881.

The spelling of 3698432 in words is "three million, six hundred ninety-eight thousand, four hundred thirty-two".